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How to fix error “Updating Maven Project”. Unsupported IClasspathEntry kind=4?

...ue has been fixed in m2e 1.5.0 which is available for Eclipse Kepler (4.3) and Luna (4.4) Please see https://bugs.eclipse.org/bugs/show_bug.cgi?id=374332#c14 The problem is caused by the fact that STS (the Spring IDE/Eclipse), as well Eclipse and other Eclipse based IDE's, use the m2e(clipse) plug...
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php is null or empty?

...===. When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal. share | improve this answer | follow | ...
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When is an interface with a default method initialized?

....4.1 ought to cover this definitively. However, the behavior of Oracle JDK and OpenJDK (javac and HotSpot) differs from what's specified here. In particular, the Example 12.4.1-3 from this section covers interface initialization. The example as follows: interface I { int i = 1, ii = Test.out("i...
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rvm installation not working: “RVM is not a function”

...inal after this setting the flag. Sometimes it is required to set the command to /bin/bash --login. For remote connections it is important to understand the differene between running interactive ssh session and executing single commands. While running ssh server and then working with the server...
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Iterating over every two elements in a list

...+ y) In Python 3, you can replace izip with the built-in zip() function, and drop the import. All credit to martineau for his answer to my question, I have found this to be very efficient as it only iterates once over the list and does not create any unnecessary lists in the process. N.B: This ...
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Can I replace groups in Java regex?

I have this code, and I want to know, if I can replace only groups (not all pattern) in Java regex. Code: 7 Answers ...
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What ports does RabbitMQ use?

...olution of node names in a cluster. Nodes must be able to reach each other and the port mapper daemon for clustering to work. PORT 35197 set by inet_dist_listen_min/max Firewalls must permit traffic in this range to pass between clustered nodes RabbitMQ Management console: PORT 15672 for RabbitM...
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How do I create test and train samples from one dataframe with pandas?

I have a fairly large dataset in the form of a dataframe and I was wondering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing. ...
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write a shell script to ssh to a remote machine and execute commands

... There are multiple remote linux machines, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting? You can do this with ssh, for example: #!/bin/ba...
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How do I link to Google Maps with a particular longitude and latitude?

I have a small application that gives the current location: longitude and latitude. Now I have to browse to google maps with the longitude and latitude. Please suggest how I can do this. ...